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7396464 |
Filter comprising rotatable, disk-shaped filter elements
The invention concerns a device for the separation of substances, in particular of solid substances, liquid phases of varied density and/or of gases, from a liquid, by rotation with several...
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7396463 |
Spiral wound membrane element and a process for preventing telescoping of the filter element
A process for ultrafiltration using a spiral wound membrane filter is disclosed where the pressure in the space between the filter element and the pressure vessel is higher than or equal to the...
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7396462 |
Filtering device
A filtering device includes: a fluid-collecting tube; a plurality of positioning trays sleeved around the fluid-collecting tube and stacked one above the other; and a plurality of membranes...
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7396461 |
Filter cartridge for gravity-fed water treatment device
A filter cartridge for use in gravity-fed water treatment systems wherein filter elements include a dome-shaped hydrophilic porous particulate carbon powder block filter in a polymeric binder. The...
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7396460 |
Filter element
A filter element ( 8 ), especially for use in backwash filtering systems, includes a filtering element through which a contaminated fluid flows in at least one direction ( 24 ). An intercepting...
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7396459 |
Internal UV treatment of potable water systems
A UV disinfectant system for treatment of water resident in a vessel. One or more UV lamps are mounted within the interior of the vessel so as to expose the water stored therein. The vessel may be,...
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7396458 |
Wastewater treatment equipment
A wastewater treatment equipment of an embodiment of the present invention neutralizes a WTBT 12 by introducing the WTBT 12 containing fluorine components to a first treatment tank 11 A and by...
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7396457 |
Apparatus and method for recovering acetic acid and catalyst in process for preparation of 2,6-naphthalenedicarboxylic acid
An apparatus and a method for effectively recovering acetic acid and catalyst from a mother liquor discharged from a series of processes including an oxidation process, a crystallization process...
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7396456 |
Cruising aeration apparatus and method
A cruising aeration apparatus and a method are described. The cruising aeration apparatus comprises an aeration device for circulating the water in an aquatic pool, at least one conducting element...
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7396455 |
Brine container with filter system
Brine container, at which a suction filter ( 24 ) is disposed, in which the brine container has a circulating filter system ( 28 ), which has a filter ( 34 ) and a pump ( 30 ), with which the brine...
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7396454 |
Method for cleaning tar-bearing waste water and apparatus for performing said method
In a method and an apparatus for cleaning tar-bearing waste water ( 17 ), a mixture of water and hydrocarbons, e.g. comprising polyaromatic hydrocarbons and phenols, the mixture is separated into a...
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7396453 |
Hydraulically integrated solids/liquid separation system for wastewater treatment
A system and method for treating wastewater includes a treatment container for receiving and treating wastewater and a mixing/aeration system disposed in the treatment container. Wastewater is...
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7396452 |
Apparatus for determining flow rates of biological fluids
An apparatus comprises an inlet to convey a first fluid comprising first and second components having different density into a rotating chamber such that an interface forms between at least...
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7396451 |
Methods and apparatus for blood component separation
A system for separating a composite fluid into component parts thereof, including: a centrifuge having a rotor with a separation space and at least two valve members disposed thereon and a...
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7396441 |
Flow-through oxygenator
An oxygen emitter which is an electrolytic cell is disclosed. When the anode and cathode are separated by a critical distance, very small microbubbles and nanobubbles of oxygen are generated. The...
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7395936 |
Filter element with vent orifice and assembly therefore
A filter element and assembly for fluid applications which require a purging of air, and particularly for applications where the filter element is horizontally oriented (side loaded), where the...
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7395935 |
Filtering device
A filter device is provided with a filter tank, a filter drum disposed in the filter tank, and a drive mechanism which rotates the filter drum. The filter element is composed of a porous plate that...
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7395571 |
Cleaning of a submerged surface
A pressure type pool cleaner includes a head propelled forwardly over a surface. Different portions of water pumped to the head inducts debris into a cleaner system, and is ejected via a thrust...
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RE40407 |
Method and apparatus for mixing fluids
A method for entraining and mixing gas with liquids within a conduit or drop structure, comprising the channeling of one or more liquid flows into spiral flows of predetermined radius (radii),...
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7394339 |
Transverse magnetic field voltage isolator
A voltage-isolating passageway for providing high voltage isolation between a component maintained at high DC voltage and a component maintained at a substantially lower voltage is described. The...
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7393969 |
Particular calixarenes method for production and use thereof
The present invention relates to calix[4]arenes which effectively bind alkali metal ions (Na + , K + ) and transport them over phase boundaries, their preparation and use.
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7393486 |
Header for module of hollow fiber membranes and method of potting hollow fibers
Hollow fiber membranes are potted by injection molding a thermoplastic material into a cavity containing the fibers. The cavity is formed in part by the interaction of a mold and a layer of an...
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7393483 |
Process for production of poly(m-phenyleneisophthal-amide) porous hollow fiber membrane
A polymetaphenylene isophthalamide porous hollow fiber membrane is produced by extruding a film-forming solution comprising polymetaphenylene isophthalamide, polyvinylpyrrolidone and an inorganic...
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7393466 |
Compositions and methods for anion absorbent metal hydroxides
A metal hydroxide complex has a formula Me(OH)4*A − *nH2O or MeO2*A − *nH2O. Preferred complexes are formed in an alkaline medium, and particularly especially preferred anions include cyanide...
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7393456 |
System and method for concentrating and removing sludge at the bottom of a waste water holding tank
A new settlement tank and its associated method of operation. The settlement tank has side surfaces and a bottom surface that define a tank of a predetermined volume. A trough is disposed in the...
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7393455 |
Method and apparatus for filtering pressurized fuel
A method and apparatus for filtering pressurized fluids, wherein a fluid level provides a visual indicator as to the general condition of the filter element. The present invention provides a...
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7393454 |
Elimination of metal ions from aqueous effluents
Method for the elimination of metal ions from aqueous media, such as zinc, lead, chrome, copper, iron, aluminium, manganese, cadmium, cerium or silver and mixtures of the metals present in a trace...
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7393453 |
Method for analysis of perchlorate
A method for analyzing the content of perchlorate in a sample matrix comprising the steps of extracting the sample matrix and applying it to a reverse phase column, followed by elution with a...
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7393452 |
Compositions and methods for the treatment of wastewater and other waste
A method for processing environmental samples to remove or otherwise reduce the level of certain chemical species. In a preferred embodiment, the present invention contemplates a process for...
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7393451 |
Water screen system with compressible boot seal
A compressible boot seal for sealing the side of a vertical traveling water screen with flights. The boot seal is formed by a U-shaped, bent nylon plate having a bottom base that resides in the...
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7393450 |
System for maintaining pH and sanitizing agent levels of water in a water feature
A system automatically maintains at least one of a pH level and a sanitizing agent level of water in a water feature. The system includes a sensor assembly responsive to at least one of a pH level...
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7393391 |
Fabrication of an anisotropic super hydrophobic/hydrophilic nanoporous membranes
Anisotropic hydrophobic/hydrophilic nanoporous membranes and methods of forming anisotropic hydrophobic/hydrophilic nanoporous membranes are disclosed. The method of forming the nanoporous membrane...
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7393388 |
Spiral wound fuel stabilization unit for fuel de-oxygenation
A deoxygenator includes a plurality of permeable membranes spirally wound about an exhaust tube for removing dissolved oxygen from a hydrocarbon fuel. The permeable membrane is spirally wrapped...
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7393383 |
Separation membrane made from blends of polyimide with polyamide or polyimide-amide polymers
Membranes are used to separate fluids for the production of oxygen-enriched air, nitrogen-enriched-air, for the separation of carbon dioxide from hydrocarbons, and the separation of hydrogen from...
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7393380 |
Method of guaranteeing at least one characteristic of a fluid used for producing food products
A method for guaranteeing at least one characteristic of a fluid used for producing food products. This method utilizes a system for piping and delivering the fluid, combined with means for...
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7393153 |
Grating system
A grating system includes a first welded subassembly and a second non-welded subassembly joined to one another. The first subassembly includes spaced elongated bearing bars and spaced elongated...
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7392910 |
Lamellar decanting module and block comprising plates that can be vertical
The invention relates to a lamellar decanting module comprising two interconnected plates, at least one of said plates being corrugated in such a way that the dips and peaks are inclined in...
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7392909 |
Pool leafing tool with stay-open basket feature
An increased efficiency, more durable pool leafing tool, and method, for gathering leaves and other pool debris from a pool bottom wall has a handle, a handle-controlled basket of a water-pervious...
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7392848 |
Methods to produce sulfate-free saline water and gypsum
Methods are disclosed for the selective separation of sulfate from a saline stream such as seawater to produce nearly sulfate-free saline stream for oil-fields water injection operations. The...
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7392783 |
Internal combustion engine, especially in a motor vehicle, having a fuel filter system
An internal combustion engine, in a motor vehicle, has a fuel filter system in a fuel line leading to the internal combustion engine. The operation of this motor vehicle exclusively with fuel of...
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7391333 |
System for monitoring quality of water system
A monitoring, detection and alarm for water systems includes a plurality of sensing components for detecting the presence of target contaminants in water and for measuring the overall quality of...
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7391041 |
Germicidal UV reactor and UV lamp
A germicidal UV reactor for use in fluid purifiers is provided, in which the UV reactor comprises an UV lamp with an UV transparent primary envelope and also an UV transparent secondary envelope...
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7390673 |
Method and device for identifying volatile substances in solution
The invention relates to a method for fluorimetrically or photometrically identifying gaseous substances or substances, which can be converted into a gaseous state, in samples. Decomposition...
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7390653 |
Culture chamber for biologicals
The culture chamber of the present invention has a fluid-filled culture compartment in which cells, tissues and other biologicals are cultured. The culture compartment is transversed by one or more...
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7390420 |
Method and equipment for compressing a dispersion in liquid-liquid extraction
The invention relates to a method for controlling and compressing a dispersion formed in the mixing stage of liquid-liquid extraction. The compression of the dispersion is achieved by reducing the...
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7390419 |
Waste water recovery system
A waste water recovery system to filter and recirculate waste water to a wash system including a fluid recovery line, a fluid supply line and a fluid backwash line comprising a filter assembly...
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7390418 |
Method of reducing chemical oxygen contaminants in water
A method of cleaning water systems and an oxidizer (e.g., a potassium monopersulfate composition) that is used for the method are presented. When potassium monopersulfate is used as the oxidizer,...
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7390417 |
Portable ultraviolet water purification system
A portable water-purification system includes a container for holding a liquid and an ultraviolet light source configured for immersion in the liquid. The ultraviolet light source is a straight...
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7390416 |
Method for the removal of metals, including a co-precipitation of molybdenum, from wastewater
An improved method to remove metals, including molybdenum, from industrial wastewater, by chemical precipitation of the metals, followed by settling and dewatering of the precipitate.
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7390415 |
Method and compositions for preventing or reducing aluminosilicate scale in alkaline industrial processes
Materials and a method are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR″) 3 (where R″ is H, an alkyl group, Na, K, or NH 4 ) are used...
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